Update export wouldn't help. So you do want to clean up state? Do you expect
the clients to reclaim state on the new server node?
Sent from my iPhone
> On Oct 5, 2017, at 6:21 PM, Malahal Naineni <mala...@gmail.com> wrote:
>
> Use update export available in 2.5.
>
>> On Thu, Oct 5, 2017 at 10:05 PM Pradeep <pradeeptho...@gmail.com> wrote:
>> Hello,
>>
>> If we were to refresh an existing NFS export (meaning cleanup all MDCACHE
>> entries in that export and release all FSAL object handles), we could use
>> the DBUS interface RemoveExport and AddExport. One problem with this
>> approach is that right after RemoveExport, all in-flight requests will start
>> receiving ESTALE error. Is there a way to pause all transports in TIRPC, so
>> that we can block requests for this duration? The flow will be something
>> like this:
>>
>> - Pause all transports.
>> - Drain in-flight requests.
>> - RemoveExport
>> - AddExport
>>
>> Alternative is to restart ganesha process which will block I/Os for the
>> 'grace' period which is not ideal.
>>
>> Thanks,
>> Pradeep
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